1 cmake_minimum_required (VERSION 2.8.4 FATAL_ERROR)
3 # ----------------------------------------------------------------------------
5 set (CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
8 # ----------------------------------------------------------------------------
10 set (PACKAGE_NAME "gflags")
11 set (PACKAGE_VERSION "2.1.1")
12 set (PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
13 set (PACKAGE_TARNAME "${PACKAGE_NAME}-${PACKAGE_VERSION}")
14 set (PACKAGE_BUGREPORT "https://code.google.com/p/gflags/issues/")
16 project (${PACKAGE_NAME} CXX)
25 set (PACKAGE_SOVERSION "${PACKAGE_VERSION_MAJOR}")
27 # ----------------------------------------------------------------------------
29 if (NOT GFLAGS_NAMESPACE)
30 # maintain binary backwards compatibility with gflags library version <= 2.0,
31 # but at the same time enable the use of the preferred new "gflags" namespace
32 set (GFLAGS_NAMESPACE "google;${PACKAGE_NAME}" CACHE STRING "Name(s) of library namespace (separate multiple options by semicolon)")
33 mark_as_advanced (GFLAGS_NAMESPACE)
35 set (GFLAGS_NAMESPACE_SECONDARY "${GFLAGS_NAMESPACE}")
36 list (REMOVE_DUPLICATES GFLAGS_NAMESPACE_SECONDARY)
37 if (NOT GFLAGS_NAMESPACE_SECONDARY)
38 message (FATAL_ERROR "GFLAGS_NAMESPACE must be set to one (or more) valid C++ namespace identifier(s separated by semicolon \";\").")
40 foreach (ns IN LISTS GFLAGS_NAMESPACE_SECONDARY)
41 if (NOT ns MATCHES "^[a-zA-Z][a-zA-Z0-9_]*$")
42 message (FATAL_ERROR "GFLAGS_NAMESPACE contains invalid namespace identifier: ${ns}")
45 list (GET GFLAGS_NAMESPACE_SECONDARY 0 GFLAGS_NAMESPACE)
46 list (REMOVE_AT GFLAGS_NAMESPACE_SECONDARY 0)
48 option (BUILD_SHARED_LIBS "Request build of shared libraries." OFF)
49 option (BUILD_STATIC_LIBS "Request build of static libraries (default if BUILD_SHARED_LIBS is OFF)." OFF)
50 option (BUILD_gflags_LIB "Request build of the multi-threaded gflags library." ON)
51 option (BUILD_gflags_nothreads_LIB "Request build of the single-threaded gflags library." ON)
52 option (BUILD_PACKAGING "Enable build of distribution packages using CPack." OFF)
53 option (BUILD_TESTING "Enable build of the unit tests and their execution using CTest." OFF)
54 option (BUILD_NC_TESTS "Request addition of negative compilation tests." OFF)
55 option (INSTALL_HEADERS "Request packaging of headers and other development files." ON)
57 mark_as_advanced (CLEAR CMAKE_INSTALL_PREFIX)
58 mark_as_advanced (CMAKE_CONFIGURATION_TYPES
63 mark_as_advanced(CMAKE_OSX_ARCHITECTURES
64 CMAKE_OSX_DEPLOYMENT_TARGET
68 if (NOT BUILD_SHARED_LIBS AND NOT BUILD_STATIC_LIBS)
69 set (BUILD_STATIC_LIBS ON)
71 if (NOT BUILD_gflags_LIB AND NOT BUILD_gflags_nothreads_LIB)
72 message (FATAL_ERROR "At least one of BUILD_gflags_LIB and BUILD_gflags_nothreads_LIB must be ON.")
75 if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CXX_FLAGS)
76 set_property (CACHE CMAKE_BUILD_TYPE PROPERTY VALUE Release)
79 if (NOT GFLAGS_INCLUDE_DIR)
80 set (GFLAGS_INCLUDE_DIR "${PACKAGE_NAME}" CACHE STRING "Name of include directory of installed header files")
81 mark_as_advanced (GFLAGS_INCLUDE_DIR)
83 if (IS_ABSOLUTE GFLAGS_INCLUDE_DIR)
84 message (FATAL_ERROR "GFLAGS_INCLUDE_DIR must be a path relative to CMAKE_INSTALL_PREFIX/include")
86 if (GFLAGS_INCLUDE_DIR MATCHES "^\\.\\.[/\\]")
87 message (FATAL_ERROR "GFLAGS_INCLUDE_DIR must not start with parent directory reference (../)")
91 # ----------------------------------------------------------------------------
93 include (CheckTypeSize)
94 include (CheckIncludeFileCXX)
95 include (CheckCXXSymbolExists)
97 if (WIN32 AND NOT CYGWIN)
104 set (HAVE_SYS_TYPES_H 1)
105 set (HAVE_STDINT_H 1)
106 set (HAVE_STDDEF_H 1) # used by CheckTypeSize module
107 set (HAVE_INTTYPES_H 0)
108 set (HAVE_UNISTD_H 0)
109 set (HAVE_SYS_STAT_H 1)
110 set (HAVE_SHLWAPI_H 1)
112 foreach (fname IN ITEMS unistd stdint inttypes sys/types sys/stat fnmatch)
113 string (TOUPPER "${fname}" FNAME)
114 string (REPLACE "/" "_" FNAME "${FNAME}")
115 if (NOT HAVE_${FNAME}_H)
116 check_include_file_cxx ("${fname}.h" HAVE_${FNAME}_H)
119 # the following are used in #if directives not #ifdef
120 bool_to_int (HAVE_STDINT_H)
121 bool_to_int (HAVE_SYS_TYPES_H)
122 bool_to_int (HAVE_INTTYPES_H)
123 if (NOT HAVE_FNMATCH_H AND OS_WINDOWS)
124 check_include_file_cxx ("shlwapi.h" HAVE_SHLWAPI_H)
128 set (GFLAGS_INTTYPES_FORMAT "" CACHE STRING "Format of integer types: \"C99\" (uint32_t), \"BSD\" (u_int32_t), \"VC7\" (__int32)")
129 set_property (CACHE GFLAGS_INTTYPES_FORMAT PROPERTY STRINGS "C99;BSD;VC7")
130 mark_as_advanced (GFLAGS_INTTYPES_FORMAT)
131 if (NOT GFLAGS_INTTYPES_FORMAT)
132 set (TYPES uint32_t u_int32_t)
134 list (INSERT TYPES 0 __int32)
136 foreach (type IN LISTS TYPES)
137 check_type_size (${type} ${type} LANGUAGE CXX)
143 set_property (CACHE GFLAGS_INTTYPES_FORMAT PROPERTY VALUE C99)
144 elseif (HAVE_u_int32_t)
145 set_property (CACHE GFLAGS_INTTYPES_FORMAT PROPERTY VALUE BSD)
146 elseif (HAVE___int32)
147 set_property (CACHE GFLAGS_INTTYPES_FORMAT PROPERTY VALUE VC7)
149 mark_as_advanced (CLEAR GFLAGS_INTTYPES_FORMAT)
150 message (FATAL_ERROR "Do not know how to define a 32-bit integer quantity on your system!"
151 " Neither uint32_t, u_int32_t, nor __int32 seem to be available."
152 " Set GFLAGS_INTTYPES_FORMAT to either C99, BSD, or VC7 and try again.")
155 # use of special characters in strings to circumvent bug #0008226
156 if ("^${GFLAGS_INTTYPES_FORMAT}$" STREQUAL "^WIN$")
157 set_property (CACHE GFLAGS_INTTYPES_FORMAT PROPERTY VALUE VC7)
159 if (NOT GFLAGS_INTTYPES_FORMAT MATCHES "^(C99|BSD|VC7)$")
160 message (FATAL_ERROR "Invalid value for GFLAGS_INTTYPES_FORMAT! Choose one of \"C99\", \"BSD\", or \"VC7\"")
162 set (GFLAGS_INTTYPES_FORMAT_C99 0)
163 set (GFLAGS_INTTYPES_FORMAT_BSD 0)
164 set (GFLAGS_INTTYPES_FORMAT_VC7 0)
165 set ("GFLAGS_INTTYPES_FORMAT_${GFLAGS_INTTYPES_FORMAT}" 1)
171 check_cxx_symbol_exists (strtoll stdlib.h HAVE_STRTOLL)
172 if (NOT HAVE_STRTOLL)
173 check_cxx_symbol_exists (strtoq stdlib.h HAVE_STRTOQ)
177 set (CMAKE_THREAD_PREFER_PTHREAD TRUE)
178 find_package (ThreadsCXX)
179 if (Threads_FOUND AND CMAKE_USE_PTHREADS_INIT)
181 check_type_size (pthread_rwlock_t RWLOCK LANGUAGE CXX)
186 if (UNIX AND NOT HAVE_PTHREAD AND BUILD_gflags_LIB)
187 if (CMAKE_HAVE_PTHREAD_H)
192 message (FATAL_ERROR "Could not find pthread${what}. Check the log file"
193 "\n\t${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log"
194 "\nor disable the build of the multi-threaded gflags library (BUILD_gflags_LIB=OFF).")
197 # ----------------------------------------------------------------------------
198 # source files - excluding root subdirectory and/or .in suffix
202 "gflags_completions.h"
205 if (GFLAGS_NAMESPACE_SECONDARY)
206 set (INCLUDE_GFLAGS_NS_H "// Import gflags library symbols into alternative/deprecated namespace(s)")
207 foreach (ns IN LISTS GFLAGS_NAMESPACE_SECONDARY)
208 string (TOUPPER "${ns}" NS)
209 set (gflags_ns_h "${PROJECT_BINARY_DIR}/include/${GFLAGS_INCLUDE_DIR}/gflags_${ns}.h")
210 configure_file ("${PROJECT_SOURCE_DIR}/src/gflags_ns.h.in" "${gflags_ns_h}" @ONLY)
211 list (APPEND PUBLIC_HDRS "${gflags_ns_h}")
212 set (INCLUDE_GFLAGS_NS_H "${INCLUDE_GFLAGS_NS_H}\n#include \"gflags_${ns}.h\"")
215 set (INCLUDE_GFLAGS_NS_H)
226 "gflags_reporting.cc"
227 "gflags_completions.cc"
231 list (APPEND PRIVATE_HDRS "windows_port.h")
232 list (APPEND GFLAGS_SRCS "windows_port.cc")
235 # ----------------------------------------------------------------------------
236 # configure source files
237 if (CMAKE_COMPILER_IS_GNUCXX)
238 set (GFLAGS_ATTRIBUTE_UNUSED "__attribute((unused))")
240 set (GFLAGS_ATTRIBUTE_UNUSED)
243 # whenever we build a shared library (DLL on Windows), configure the public
244 # headers of the API for use of this library rather than the optionally
245 # also build statically linked library; users can override GFLAGS_DLL_DECL
246 if (BUILD_SHARED_LIBS)
247 set (GFLAGS_IS_A_DLL 1)
249 set (GFLAGS_IS_A_DLL 0)
252 configure_headers (PUBLIC_HDRS ${PUBLIC_HDRS})
253 configure_sources (PRIVATE_HDRS ${PRIVATE_HDRS})
254 configure_sources (GFLAGS_SRCS ${GFLAGS_SRCS})
256 include_directories ("${PROJECT_SOURCE_DIR}/src")
257 include_directories ("${PROJECT_BINARY_DIR}/include")
258 include_directories ("${PROJECT_BINARY_DIR}/include/${GFLAGS_INCLUDE_DIR}")
260 # ----------------------------------------------------------------------------
262 set (CMAKE_RUNTIME_OUTPUT_DIRECTORY "bin")
263 set (CMAKE_LIBRARY_OUTPUT_DIRECTORY "lib")
264 set (CMAKE_ARCHIVE_OUTPUT_DIRECTORY "lib")
266 # ----------------------------------------------------------------------------
267 # add library targets
270 foreach (TYPE IN ITEMS STATIC SHARED)
271 if (BUILD_${TYPE}_LIBS)
272 # whether or not targets are a DLL
273 if (OS_WINDOWS AND "^${TYPE}$" STREQUAL "^SHARED$")
274 set (GFLAGS_IS_A_DLL 1)
276 set (GFLAGS_IS_A_DLL 0)
278 string (TOLOWER "${TYPE}" type)
279 # multi-threaded vs. single-threaded
280 foreach (opts IN ITEMS "" _nothreads)
281 if (BUILD_gflags${opts}_LIB)
282 add_library (gflags${opts}-${type} ${TYPE} ${GFLAGS_SRCS} ${PRIVATE_HDRS} ${PUBLIC_HDRS})
283 if (opts MATCHES "nothreads")
284 set (defines "GFLAGS_IS_A_DLL=${GFLAGS_IS_A_DLL};NOTHREADS")
286 set (defines "GFLAGS_IS_A_DLL=${GFLAGS_IS_A_DLL}")
287 if (CMAKE_USE_PTHREADS_INIT)
288 target_link_libraries (gflags${opts}-${type} ${CMAKE_THREAD_LIBS_INIT})
291 set_target_properties (
292 gflags${opts}-${type} PROPERTIES COMPILE_DEFINITIONS "${defines}"
293 OUTPUT_NAME "gflags${opts}"
294 VERSION "${PACKAGE_VERSION}"
295 SOVERSION "${PACKAGE_SOVERSION}"
298 target_link_libraries (gflags${opts}-${type} shlwapi.lib)
300 if (NOT TARGET gflags${opts})
301 add_custom_target (gflags${opts})
303 add_dependencies (gflags${opts} gflags${opts}-${type})
304 list (APPEND TARGETS gflags${opts}-${type})
310 # ----------------------------------------------------------------------------
313 set (RUNTIME_INSTALL_DIR Bin)
314 set (LIBRARY_INSTALL_DIR Lib)
315 set (INCLUDE_INSTALL_DIR Include)
316 set (CONFIG_INSTALL_DIR CMake)
318 set (RUNTIME_INSTALL_DIR bin)
319 # The LIB_INSTALL_DIR and LIB_SUFFIX variables are used by the Fedora
320 # package maintainers. Also package maintainers of other distribution
321 # packages need to be able to specify the name of the library directory.
322 if (NOT LIB_INSTALL_DIR)
323 set (LIB_INSTALL_DIR "lib${LIB_SUFFIX}")
325 set (LIBRARY_INSTALL_DIR "${LIB_INSTALL_DIR}"
326 CACHE PATH "Directory of installed libraries, e.g., \"lib64\""
328 mark_as_advanced (LIBRARY_INSTALL_DIR)
329 set (INCLUDE_INSTALL_DIR include)
330 set (CONFIG_INSTALL_DIR ${LIBRARY_INSTALL_DIR}/cmake/${PACKAGE_NAME})
333 file (RELATIVE_PATH INSTALL_PREFIX_REL2CONFIG_DIR "${CMAKE_INSTALL_PREFIX}/${CONFIG_INSTALL_DIR}" "${CMAKE_INSTALL_PREFIX}")
334 configure_file (cmake/config.cmake.in "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config-install.cmake" @ONLY)
335 configure_file (cmake/version.cmake.in "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config-version.cmake" @ONLY)
337 install (TARGETS ${TARGETS} DESTINATION ${LIBRARY_INSTALL_DIR} EXPORT gflags-lib)
339 install (FILES ${PUBLIC_HDRS} DESTINATION ${INCLUDE_INSTALL_DIR}/${GFLAGS_INCLUDE_DIR})
341 FILES "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config-install.cmake"
342 RENAME ${PACKAGE_NAME}-config.cmake
343 DESTINATION ${CONFIG_INSTALL_DIR}
346 FILES "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config-version.cmake"
347 DESTINATION ${CONFIG_INSTALL_DIR}
349 install (EXPORT gflags-lib DESTINATION ${CONFIG_INSTALL_DIR} FILE ${PACKAGE_NAME}-export.cmake)
351 install (PROGRAMS src/gflags_completions.sh DESTINATION ${RUNTIME_INSTALL_DIR})
355 # ----------------------------------------------------------------------------
356 # support direct use of build tree
357 set (INSTALL_PREFIX_REL2CONFIG_DIR .)
358 export (TARGETS ${TARGETS} FILE "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-export.cmake")
359 export (PACKAGE gflags)
360 configure_file (cmake/config.cmake.in "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config.cmake" @ONLY)
362 # ----------------------------------------------------------------------------
363 # testing - MUST follow the generation of the build tree config file
367 add_subdirectory (test)
370 # ----------------------------------------------------------------------------
374 if (NOT BUILD_SHARED_LIBS AND NOT INSTALL_HEADERS)
375 message (WARNING "Package will contain static libraries without headers!"
376 "\nRecommended options for generation of runtime package:"
377 "\n BUILD_SHARED_LIBS=ON"
378 "\n BUILD_STATIC_LIBS=OFF"
379 "\n INSTALL_HEADERS=OFF"
380 "\nRecommended options for generation of development package:"
381 "\n BUILD_SHARED_LIBS=ON"
382 "\n BUILD_STATIC_LIBS=ON"
383 "\n INSTALL_HEADERS=ON")
386 # default package generators
388 set (PACKAGE_GENERATOR "PackageMaker")
389 set (PACKAGE_SOURCE_GENERATOR "TGZ;ZIP")
391 set (PACKAGE_GENERATOR "DEB;RPM")
392 set (PACKAGE_SOURCE_GENERATOR "TGZ;ZIP")
394 set (PACKAGE_GENERATOR "ZIP")
395 set (PACKAGE_SOURCE_GENERATOR "ZIP")
398 # used package generators
399 set (CPACK_GENERATOR "${PACKAGE_GENERATOR}" CACHE STRING "List of binary package generators (CPack).")
400 set (CPACK_SOURCE_GENERATOR "${PACKAGE_SOURCE_GENERATOR}" CACHE STRING "List of source package generators (CPack).")
401 mark_as_advanced (CPACK_GENERATOR CPACK_SOURCE_GENERATOR)
403 # common package information
404 set (CPACK_PACKAGE_VENDOR "Andreas Schuh")
405 set (CPACK_PACKAGE_CONTACT "google-gflags@googlegroups.com")
406 set (CPACK_PACKAGE_NAME "${PACKAGE_NAME}")
407 set (CPACK_PACKAGE_VERSION "${PACKAGE_VERSION}")
408 set (CPACK_PACKAGE_VERSION_MAJOR "${PACKAGE_VERSION_MAJOR}")
409 set (CPACK_PACKAGE_VERSION_MINOR "${PACKAGE_VERSION_MINOR}")
410 set (CPACK_PACKAGE_VERSION_PATCH "${PACKAGE_VERSION_PATCH}")
411 set (CPACK_PACKAGE_DESCRIPTION_SUMMARY "A commandline flags library that allows for distributed flags.")
412 set (CPACK_RESOURCE_FILE_WELCOME "${CMAKE_CURRENT_LIST_DIR}/README.txt")
413 set (CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_LIST_DIR}/COPYING.txt")
414 set (CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_CURRENT_LIST_DIR}/README.txt")
415 set (CPACK_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
416 set (CPACK_OUTPUT_FILE_PREFIX packages)
417 set (CPACK_PACKAGE_RELOCATABLE TRUE)
418 set (CPACK_MONOLITHIC_INSTALL TRUE)
420 # RPM package information -- used in cmake/package.cmake.in also for DEB
421 set (CPACK_RPM_PACKAGE_GROUP "Development/Libraries")
422 set (CPACK_RPM_PACKAGE_LICENSE "BSD")
423 set (CPACK_RPM_PACKAGE_URL "http://code.google.com/p/gflags")
424 set (CPACK_RPM_CHANGELOG_FILE "${CMAKE_CURRENT_LIST_DIR}/ChangeLog.txt")
427 set (CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_LIST_DIR}/doc/gflags.html")
429 set (CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_LIST_DIR}/cmake/README_runtime.txt")
432 # system/architecture
435 set (CPACK_SYSTEM_NAME "win64")
437 set (CPACK_SYSTEM_NAME "win32")
439 set (CPACK_PACKAGE_ARCHITECTURE)
441 set (CPACK_PACKAGE_ARCHITECTURE darwin)
443 string (TOLOWER "${CMAKE_SYSTEM_NAME}" CPACK_SYSTEM_NAME)
444 if (CMAKE_CXX_FLAGS MATCHES "-m32")
445 set (CPACK_PACKAGE_ARCHITECTURE i386)
448 COMMAND dpkg --print-architecture
450 OUTPUT_VARIABLE CPACK_PACKAGE_ARCHITECTURE
453 string (STRIP "${CPACK_PACKAGE_ARCHITECTURE}" CPACK_PACKAGE_ARCHITECTURE)
455 execute_process (COMMAND uname -m OUTPUT_VARIABLE CPACK_PACKAGE_ARCHITECTURE)
456 if (CPACK_PACKAGE_ARCHITECTURE MATCHES "x86_64")
457 set (CPACK_PACKAGE_ARCHITECTURE amd64)
459 set (CPACK_PACKAGE_ARCHITECTURE i386)
465 # source package settings
466 set (CPACK_SOURCE_TOPLEVEL_TAG "source")
467 set (CPACK_SOURCE_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")
468 set (CPACK_SOURCE_IGNORE_FILES "/\\\\.git/;\\\\.swp$;\\\\.#;/#;\\\\.*~;cscope\\\\.*;/[Bb]uild[.+-_a-zA-Z0-9]*/")
470 # default binary package settings
471 set (CPACK_INCLUDE_TOPLEVEL_DIRECTORY TRUE)
472 set (CPACK_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}-${CPACK_SYSTEM_NAME}")
473 if (CPACK_PACKAGE_ARCHITECTURE)
474 set (CPACK_PACKAGE_FILE_NAME "${CPACK_PACKAGE_FILE_NAME}-${CPACK_PACKAGE_ARCHITECTURE}")
477 # generator specific configuration file
479 # allow package maintainers to use their own configuration file
480 # $ cmake -DCPACK_PROJECT_CONFIG_FILE:FILE=/path/to/package/config
481 if (NOT CPACK_PROJECT_CONFIG_FILE)
483 "${CMAKE_CURRENT_LIST_DIR}/cmake/package.cmake.in"
484 "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-package.cmake" @ONLY
486 set (CPACK_PROJECT_CONFIG_FILE "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-package.cmake")
491 endif () # BUILD_PACKAGING